milligram
nounUS /ˈmɪlɪɡɹæm/
Etymology Borrowed from French milligramme, equivalent to milli- + gram.
1
Metrology An SI unit of mass equal to 10⁻³ grams. Symbol: mg
- Holonyms: gram < kilogram < megagram < gigagram
- Meronyms: picogram < nanogram < microgram
2 more examples
- The US Food and Drug Administration defines this limit as anything more than 400 milligrams of caffeine daily for healthy adults. This is equivalent to four or five cups of coffee.2024 March 11, Jocelyn Solis-Moreira, “Dark roasted and dangerous: Everything you should know about caffeine intoxication”, in CNN:
- Blue No. 1 and yellow No. 6 may also be toxic to some human cells. And as little as 1 milligram of yellow dye No. 5 may cause irritability, restlessness and sleep disturbances for sensitive children.2025 March 29, Kristen Rogers, “Over half of US states are trying to eliminate food dyes. Here’s what you can do now”, in CNN:
- Derived terms
- micromilligram, millimilligram